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- Title
- A Semi-Quantitative Schlieren High-Speed Flow Diagnostic: Analysis of High-Pressure-Ratio, Overexpanded Planar Flow in Rocket Nozzles
- Author
- Thorsett-Hill, Karen
- Date Created
- 2012
- Subjects--Topical
- Mechanical engineering
- Description
- This work introduces a semi-quantitative schlieren (SQS) method which is used to qualitatively and quantitatively analyze complex, unsteady, compressible flows in a small, planar convergent-divergent nozzle. A basic schlieren system is used to ima...
- Title
- CFD BASED ANALYSES OF THE EFFECTS OF 2017 NASCAR XFINITY RACING SERIES AERODYNAMIC RULE CHANGES
- Author
- Olkhovskyi, Nazarii
- Date Created
- 2019
- Subjects--Topical
- Engineering
- Description
- Xfinity racing series is an American stock car racing series organized by NASCAR. Forthe 2017 racing season, NASCAR introduced new regulations for this series in order todecrease aerodynamic influence on vehicle performance. Using only open-source...
- Title
- CFD simulation of an overtaking maneuver using simplified vehicle bodies
- Author
- Chellaram, Arune
- Date Created
- 2016
- Subjects--Topical
- Mechanical engineering
- Description
- When two vehicle bodies are involved in a passing maneuver, interesting and intricate aerodynamic interactions occur between them. This has been an area of active interest in Motorsports for quite some time. The existing literature shows only few ...
- Title
- COMPARISON OF TAYLOR’S THEORY OF SPHERICAL BLAST TO A KNOWN NUMERICAL SOLUTION
- Author
- ROYADHIKARI, SANDIPKUMAR
- Date Created
- 2015
- Subjects--Topical
- Mechanical engineering
- Description
- Taylor’s blast wave theory was the first of its kind and focused on the dynamics and thermodynamics of spherical blast waves. Taylor’s model was stated as a similarity solution and determined the time-dependent blast radius, as well as the radiall...
- Title
- EXPERIMENTAL INVESTIGATION OF SOLID-LIQUID PHASE CHANGE IN VIBRATED GRANULAR MEDIA AND COMPARISON WITH THEORETICALLY PREDICTED PHASE CHANGE IN HARD SPHERE SYSTEMS
- Author
- Gaur, Kapil
- Date Created
- 2017
- Subjects--Topical
- Fluid mechanics, Statistical physics
- Description
- Hard sphere systems, for years, have been studied through computer simulations. In the 1950s the work on modern computing was on the rise and computers were being researched for use in every field. Statistical Mechanics was no alien to this and th...
- Title
- Experimental and computational evaluation of a vibratory finishing process
- Author
- Navare, Jayesh
- Date Created
- 2017
- Subjects--Topical
- Mechanical engineering
- Description
- Vibratory finishing is among the widely recognized mass finishing techniques which is used for cleaning, deburring, edge rounding, polishing, and creating an isotropic surface finish on metal parts that have undergone previous machining operations...
- Title
- Experimentally Infused Active System Optimization - Theoretical Framework and Airborne Wind Energy Case Study
- Author
- Deodhar, Nihar
- Date Created
- 2018
- Subjects--Topical
- Mechanical engineering, Engineering
- Description
- This research pioneers formal combined plant and controller optimization (termed ``co-design") schemes for complex systems where accurate but expensive experiments are fused with cheap but less accurate numerical simulations. This fusion of experi...
- Title
- Green's Function-Stochastic Approach To Solving Linear, Nonlinear And Nonhomogeneous Evolution Transport Problems
- Author
- Nortey, Thomas
- Date Created
- 2014
- Subjects--Topical
- Mechanical engineering
- Description
- yes
- Title
- INVESTIGATION OF THE EFFECTS OF HIGH SULFUR CONTENT ON THE OPERATIONAL CHARACTERISTICS OF A TIER 4 INTERIM ULS DIESEL ENGINE
- Author
- Stinson, Kile
- Date Created
- 2017
- Subjects--Topical
- Mechanical engineering
- Description
- This thesis focuses on how high sulfur content diesel fuel impacts the operation of a Tier 4 Interim diesel engine designed to run on Ultra Low Sulfur Diesel (ULSD). This was explored because U.S. nuclear power plants have these engines as their s...
- Title
- INVESTIGATION OF TURBULENCE IN GRANULAR FLOW
- Author
- Abdelrahman, Mohamed
- Date Created
- 2017
- Subjects--Topical
- Mechanical engineering, Mechanics, Engineering
- Description
- Granular flow poses interesting questions in terms of both theoretical and applied mechanics. The increased utilization of vibrational finishing processes in the manufacturing of high precision components has resulted in an increased need to under...
- Title
- INVESTIGATION OF WEATHERING EFFECTS ON PERFORMANCE OF INTUMESCENT COATINGS USED IN FIRE PROTECTION OF WOOD STRUCTURES
- Author
- Hemmati, Vahid
- Date Created
- 2017
- Subjects--Topical
- Engineering
- Description
- Intumescent coating is one of many passive methods to protect wood structures in the Wildland-Urban Interface (WUI) from fire. \iffalse The mechanism of such coating can be explained in three stages. First, acid release reaction is triggered by th...
- Title
- Insight Derived From High Order Structured Finite Difference CFD Simulations of Flow Past Generic Simplified Car Models
- Author
- Henry, Maxwell
- Date Created
- 2016
- Subjects--Topical
- Mechanical engineering, Engineering, Automobiles--Design and construction
- Description
- This thesis focuses upon using a high-order finite-difference method on a structured overset grid to study flow features around a generic simplified car model adjusting mesh refinements, rear slant angles, solvers, and turbulence models. These pro...
- Title
- Integration of the Simulation Environment for Autonomous Robots with Robotics Middleware
- Author
- Harris, Adam
- Date Created
- 2014
- Subjects--Topical
- Electrical engineering, Computer engineering, Robotics
- Description
- Robotic simulators have long been used to test code and designs before any actual hardware is tested to ensure safety and efficiency. Many current robotics simulators are either closed source (calling into question the fidelity of their simulation...
- Title
- MODELLING HUMAN-AUTOMATION INTERACTIONS IN A HAPTIC SHARED CONTROL FRAMEWORK
- Author
- Yeravdekar, Arjun
- Date Created
- 2020
- Subjects--Topical
- Mechanical engineering
- Description
- This thesis is focused on modeling the interaction between a human driver and anautomation system . While numerous companies and academic groups are pushingto develop autonomous vehicles with the aim of freeing up attention for drivers andimprovin...
- Title
- Numerical Simulation Based Analysis Of Road Vehicle Aerodynamic Flows
- Author
- Zhang, Chunhui
- Date Created
- 2018
- Subjects--Topical
- Mechanical engineering, Automobiles--Design and construction
- Description
- Computational Fluid Dynamics (CFD) is currently viewed as one of the major tools for investigating aerodynamics of road vehicles. In spite of its well-documented limitations in predicting flows involving complex geometries and flow separations, th...
- Title
- On Accelerating Road Vehicle Aerodynamics
- Author
- Peters, Brett
- Date Created
- 2018
- Subjects--Topical
- Mechanical engineering, Aerospace engineering, Fluid mechanics
- Description
- Road vehicle aerodynamics are primarily focused on developing and modeling performance at steady-state conditions, although this does not fully encompass the entire operating envelope. Considerable vehicle acceleration and deceleration occurs duri...
- Title
- Performance Evaluation of Tracer Particles for Particle Image Velocimetry Using a Scaled Rolling Road-Tire Setup in a Wind Tunnel
- Author
- Narayan, Nithin
- Date Created
- 2018
- Subjects--Topical
- Mechanical engineering, Fluid mechanics
- Description
- The ultimate goal of the present work is to evaluate the ability to produce highlyresolved particle image velocimetry (PIV) flow images of tracer particles dispersedin a wind tunnel with a scaled rolling road-tire setup. The particle type, size, a...
- Title
- Performance tuning of IC engine with variable exhaust system using a one-D simulation tool
- Author
- Gajula, Vineeth
- Date Created
- 2017
- Subjects--Topical
- Mechanical engineering, Automobiles--Design and construction
- Description
- The exhaust system has a significant effect on the breathing capability of an IC engine, which when increased, increases the volumetric efficiency. Due to the sudden opening of the exhaust valve, the highly pressurized gases in the combustion cham...
- Title
- Reduced Order Aerodynamic Model Development of Road/Race Vehicles
- Author
- Halterman, Jaclynn
- Date Created
- 2019
- Subjects--Topical
- Mechanical engineering, Automobiles--Design and construction, Aerospace engineering
- Description
- This research systematically develops a real-time capable reduced order aerodynamic model of a race vehicle to predict the aerodynamic characterization of a transient vehicle. The aerodynamic model modularly combines the quasi steady state aerodyn...
- Title
- SENSITIVITY OF TURBULENCE CLOSURE COEFFICIENTS ON THE AERODYNAMIC PREDICTIONS OF FLOW OVER A SIMPLIFIED ROAD VEHICLE
- Author
- Dangeti, Chamundeswar Sridhar
- Date Created
- 2018
- Subjects--Topical
- Mechanical engineering
- Description
- Computational Fluid Dynamics (CFD) analysis of complex external flows is an important component of road vehicle design and development. The Reynolds Averaged Navier Stokes (RANS) turbulence modeling is widely used in the automotive industry for si...